INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'd75ddd0d2639f5e46bd62c4c393131974936bdfa4ddb2d8b78a5df6aebb4b31f', 
    '3QcOW3vD368Kny+sP994Z1Hj7kwny30tnfGrC4v77eM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)